require "digest/sha1"

module Devise
  module Encryptable
    module Encryptors
      # = ClearanceSha1
      # Simulates Clearance's default encryption mechanism.
      # Warning: it uses Devise's pepper to port the concept of REST_AUTH_SITE_KEY
      # Warning: it uses Devise's stretches configuration to port the concept of REST_AUTH_DIGEST_STRETCHES
      class ClearanceSha1 < Base
        # Generates a default password digest based on salt, pepper and the
        # incoming password.
        def self.digest(password, stretches, salt, pepper)
          Digest::SHA1.hexdigest("--#{salt}--#{password}--")
        end
      end
    end
  end
end